| <template> |
| <button |
| id="u-wave-btn" |
| class="u-btn u-line-1 u-fix-ios-appearance" |
| :class="[ |
| 'u-size-' + size, |
| plain ? 'u-btn--' + type + '--plain' : '', |
| loading ? 'u-loading' : '', |
| shape == 'circle' ? 'u-round-circle' : '', |
| hairLine ? showHairLineBorder : 'u-btn--bold-border', |
| 'u-btn--' + type, |
| disabled ? `u-btn--${type}--disabled` : '', |
| ]" |
| :hover-start-time="Number(hoverStartTime)" |
| :hover-stay-time="Number(hoverStayTime)" |
| :disabled="disabled" |
| :form-type="formType" |
| :open-type="openType" |
| :app-parameter="appParameter" |
| :hover-stop-propagation="hoverStopPropagation" |
| :send-message-title="sendMessageTitle" |
| send-message-path="sendMessagePath" |
| :lang="lang" |
| :data-name="dataName" |
| :session-from="sessionFrom" |
| :send-message-img="sendMessageImg" |
| :show-message-card="showMessageCard" |
| @getphonenumber="getphonenumber" |
| @getuserinfo="getuserinfo" |
| @error="error" |
| @opensetting="opensetting" |
| @launchapp="launchapp" |
| :style="[customStyle, { |
| overflow: ripple ? 'hidden' : 'visible' |
| }]" |
| @tap.stop="click($event)" |
| :hover-class="getHoverClass" |
| :loading="loading" |
| > |
| <slot></slot> |
| <view |
| v-if="ripple" |
| class="u-wave-ripple" |
| :class="[waveActive ? 'u-wave-active' : '']" |
| :style="{ |
| top: rippleTop + 'px', |
| left: rippleLeft + 'px', |
| width: fields.targetWidth + 'px', |
| height: fields.targetWidth + 'px', |
| 'background-color': rippleBgColor || 'rgba(0, 0, 0, 0.15)' |
| }" |
| ></view> |
| </button> |
| </template> |
| |
| <script> |
| /** |
| * button 按钮 |
| * @description Button 按钮 |
| * @tutorial https://www.uviewui.com/components/button.html |
| * @property {String} size 按钮的大小 |
| * @property {Boolean} ripple 是否开启点击水波纹效果 |
| * @property {String} ripple-bg-color 水波纹的背景色,ripple为true时有效 |
| * @property {String} type 按钮的样式类型 |
| * @property {Boolean} plain 按钮是否镂空,背景色透明 |
| * @property {Boolean} disabled 是否禁用 |
| * @property {Boolean} hair-line 是否显示按钮的细边框(默认true) |
| * @property {Boolean} shape 按钮外观形状,见文档说明 |
| * @property {Boolean} loading 按钮名称前是否带 loading 图标(App-nvue 平台,在 ios 上为雪花,Android上为圆圈) |
| * @property {String} form-type 用于 <form> 组件,点击分别会触发 <form> 组件的 submit/reset 事件 |
| * @property {String} open-type 开放能力 |
| * @property {String} data-name 额外传参参数,用于小程序的data-xxx属性,通过target.dataset.name获取 |
| * @property {String} hover-class 指定按钮按下去的样式类。当 hover-class="none" 时,没有点击态效果(App-nvue 平台暂不支持) |
| * @property {Number} hover-start-time 按住后多久出现点击态,单位毫秒 |
| * @property {Number} hover-stay-time 手指松开后点击态保留时间,单位毫秒 |
| * @property {Object} custom-style 对按钮的自定义样式,对象形式,见文档说明 |
| * @event {Function} click 按钮点击 |
| * @event {Function} getphonenumber open-type="getPhoneNumber"时有效 |
| * @event {Function} getuserinfo 用户点击该按钮时,会返回获取到的用户信息,从返回参数的detail中获取到的值同uni.getUserInfo |
| * @event {Function} error 当使用开放能力时,发生错误的回调 |
| * @event {Function} opensetting 在打开授权设置页并关闭后回调 |
| * @event {Function} launchapp 打开 APP 成功的回调 |
| * @example <u-button>月落</u-button> |
| */ |
| export default { |
| name: 'u-button', |
| props: { |
| // 是否细边框 |
| hairLine: { |
| type: Boolean, |
| default: true |
| }, |
| // 按钮的预置样式,default,primary,error,warning,success |
| type: { |
| type: String, |
| default: 'default' |
| }, |
| // 按钮尺寸,default,medium,mini |
| size: { |
| type: String, |
| default: 'default' |
| }, |
| // 按钮形状,circle(两边为半圆),square(带圆角) |
| shape: { |
| type: String, |
| default: 'square' |
| }, |
| // 按钮是否镂空 |
| plain: { |
| type: Boolean, |
| default: false |
| }, |
| // 是否禁止状态 |
| disabled: { |
| type: Boolean, |
| default: false |
| }, |
| // 是否加载中 |
| loading: { |
| type: Boolean, |
| default: false |
| }, |
| // 开放能力,具体请看uniapp稳定关于button组件部分说明 |
| // https://uniapp.dcloud.io/component/button |
| openType: { |
| type: String, |
| default: '' |
| }, |
| // 用于 <form> 组件,点击分别会触发 <form> 组件的 submit/reset 事件 |
| // 取值为submit(提交表单),reset(重置表单) |
| formType: { |
| type: String, |
| default: '' |
| }, |
| // 打开 APP 时,向 APP 传递的参数,open-type=launchApp时有效 |
| // 只微信小程序、QQ小程序有效 |
| appParameter: { |
| type: String, |
| default: '' |
| }, |
| // 指定是否阻止本节点的祖先节点出现点击态,微信小程序有效 |
| hoverStopPropagation: { |
| type: Boolean, |
| default: false |
| }, |
| // 指定返回用户信息的语言,zh_CN 简体中文,zh_TW 繁体中文,en 英文。只微信小程序有效 |
| lang: { |
| type: String, |
| default: 'en' |
| }, |
| // 会话来源,open-type="contact"时有效。只微信小程序有效 |
| sessionFrom: { |
| type: String, |
| default: '' |
| }, |
| // 会话内消息卡片标题,open-type="contact"时有效 |
| // 默认当前标题,只微信小程序有效 |
| sendMessageTitle: { |
| type: String, |
| default: '' |
| }, |
| // 会话内消息卡片点击跳转小程序路径,open-type="contact"时有效 |
| // 默认当前分享路径,只微信小程序有效 |
| sendMessagePath: { |
| type: String, |
| default: '' |
| }, |
| // 会话内消息卡片图片,open-type="contact"时有效 |
| // 默认当前页面截图,只微信小程序有效 |
| sendMessageImg: { |
| type: String, |
| default: '' |
| }, |
| // 是否显示会话内消息卡片,设置此参数为 true,用户进入客服会话会在右下角显示"可能要发送的小程序"提示, |
| // 用户点击后可以快速发送小程序消息,open-type="contact"时有效 |
| showMessageCard: { |
| type: Boolean, |
| default: false |
| }, |
| // 手指按(触摸)按钮时按钮时的背景颜色 |
| hoverBgColor: { |
| type: String, |
| default: '' |
| }, |
| // 水波纹的背景颜色 |
| rippleBgColor: { |
| type: String, |
| default: '' |
| }, |
| // 是否开启水波纹效果 |
| ripple: { |
| type: Boolean, |
| default: false |
| }, |
| // 按下的类名 |
| hoverClass: { |
| type: String, |
| default: '' |
| }, |
| // 自定义样式,对象形式 |
| customStyle: { |
| type: Object, |
| default() { |
| return {}; |
| } |
| }, |
| // 额外传参参数,用于小程序的data-xxx属性,通过target.dataset.name获取 |
| dataName: { |
| type: String, |
| default: '' |
| }, |
| // 节流,一定时间内只能触发一次 |
| throttleTime: { |
| type: [String, Number], |
| default: 1000 |
| }, |
| // 按住后多久出现点击态,单位毫秒 |
| hoverStartTime: { |
| type: [String, Number], |
| default: 20 |
| }, |
| // 手指松开后点击态保留时间,单位毫秒 |
| hoverStayTime: { |
| type: [String, Number], |
| default: 150 |
| }, |
| }, |
| computed: { |
| // 当没有传bgColor变量时,按钮按下去的颜色类名 |
| getHoverClass() { |
| // 如果开启水波纹效果,则不启用hover-class效果 |
| if (this.loading || this.disabled || this.ripple || this.hoverClass) return ''; |
| let hoverClass = ''; |
| hoverClass = this.plain ? 'u-' + this.type + '-plain-hover' : 'u-' + this.type + '-hover'; |
| return hoverClass; |
| }, |
| // 在'primary', 'success', 'error', 'warning'类型下,不显示边框,否则会造成四角有毛刺现象 |
| showHairLineBorder() { |
| if (['primary', 'success', 'error', 'warning'].indexOf(this.type) >= 0 && !this.plain) { |
| return ''; |
| } else { |
| return 'u-hairline-border'; |
| } |
| } |
| }, |
| data() { |
| return { |
| rippleTop: 0, // 水波纹的起点Y坐标到按钮上边界的距离 |
| rippleLeft: 0, // 水波纹起点X坐标到按钮左边界的距离 |
| fields: {}, // 波纹按钮节点信息 |
| waveActive: false // 激活水波纹 |
| }; |
| }, |
| methods: { |
| // 按钮点击 |
| click(e) { |
| // 进行节流控制,每this.throttle毫秒内,只在开始处执行 |
| this.$u.throttle(() => { |
| // 如果按钮时disabled和loading状态,不触发水波纹效果 |
| if (this.loading === true || this.disabled === true) return; |
| // 是否开启水波纹效果 |
| if (this.ripple) { |
| // 每次点击时,移除上一次的类,再次添加,才能触发动画效果 |
| this.waveActive = false; |
| this.$nextTick(function() { |
| this.getWaveQuery(e); |
| }); |
| } |
| this.$emit('click', e); |
| }, this.throttleTime); |
| }, |
| // 查询按钮的节点信息 |
| getWaveQuery(e) { |
| this.getElQuery().then(res => { |
| // 查询返回的是一个数组节点 |
| let data = res[0]; |
| // 查询不到节点信息,不操作 |
| if (!data.width || !data.width) return; |
| // 水波纹的最终形态是一个正方形(通过border-radius让其变为一个圆形),这里要保证正方形的边长等于按钮的最长边 |
| // 最终的方形(变换后的圆形)才能覆盖整个按钮 |
| data.targetWidth = data.height > data.width ? data.height : data.width; |
| if (!data.targetWidth) return; |
| this.fields = data; |
| let touchesX = '', |
| touchesY = ''; |
| // #ifdef MP-BAIDU |
| touchesX = e.changedTouches[0].clientX; |
| touchesY = e.changedTouches[0].clientY; |
| // #endif |
| // #ifdef MP-ALIPAY |
| touchesX = e.detail.clientX; |
| touchesY = e.detail.clientY; |
| // #endif |
| // #ifndef MP-BAIDU || MP-ALIPAY |
| touchesX = e.touches[0].clientX; |
| touchesY = e.touches[0].clientY; |
| // #endif |
| // 获取触摸点相对于按钮上边和左边的x和y坐标,原理是通过屏幕的触摸点(touchesY),减去按钮的上边界data.top |
| // 但是由于`transform-origin`默认是center,所以这里再减去半径才是水波纹view应该的位置 |
| // 总的来说,就是把水波纹的矩形(变换后的圆形)的中心点,移动到我们的触摸点位置 |
| this.rippleTop = touchesY - data.top - data.targetWidth / 2; |
| this.rippleLeft = touchesX - data.left - data.targetWidth / 2; |
| this.$nextTick(() => { |
| this.waveActive = true; |
| }); |
| }); |
| }, |
| // 获取节点信息 |
| getElQuery() { |
| return new Promise(resolve => { |
| let queryInfo = ''; |
| // 获取元素节点信息,请查看uniapp相关文档 |
| // https://uniapp.dcloud.io/api/ui/nodes-info?id=nodesrefboundingclientrect |
| queryInfo = uni.createSelectorQuery().in(this); |
| //#ifdef MP-ALIPAY |
| queryInfo = uni.createSelectorQuery(); |
| //#endif |
| queryInfo.select('.u-btn').boundingClientRect(); |
| queryInfo.exec(data => { |
| resolve(data); |
| }); |
| }); |
| }, |
| // 下面为对接uniapp官方按钮开放能力事件回调的对接 |
| getphonenumber(res) { |
| this.$emit('getphonenumber', res); |
| }, |
| getuserinfo(res) { |
| this.$emit('getuserinfo', res); |
| }, |
| error(res) { |
| this.$emit('error', res); |
| }, |
| opensetting(res) { |
| this.$emit('opensetting', res); |
| }, |
| launchapp(res) { |
| this.$emit('launchapp', res); |
| } |
| } |
| }; |
| </script> |
| |
| <style scoped lang="scss"> |
| @import '../../libs/css/style.components.scss'; |
| .u-btn::after { |
| border: none; |
| } |
| |
| .u-btn { |
| position: relative; |
| border: 0; |
| //border-radius: 10rpx; |
| /* #ifndef APP-NVUE */ |
| display: inline-flex; |
| /* #endif */ |
| // 避免边框某些场景可能被“裁剪”,不能设置为hidden |
| overflow: visible; |
| line-height: 1; |
| @include vue-flex; |
| align-items: center; |
| justify-content: center; |
| cursor: pointer; |
| padding: 0 40rpx; |
| z-index: 1; |
| box-sizing: border-box; |
| transition: all 0.15s; |
| |
| &--bold-border { |
| border: 1px solid #ffffff; |
| } |
| |
| &--default { |
| color: $u-content-color; |
| border-color: #c0c4cc; |
| background-color: #ffffff; |
| } |
| |
| &--primary { |
| color: #ffffff; |
| border-color: $u-type-primary; |
| background-color: $u-type-primary; |
| } |
| |
| &--success { |
| color: #ffffff; |
| border-color: $u-type-success; |
| background-color: $u-type-success; |
| } |
| |
| &--error { |
| color: #ffffff; |
| border-color: $u-type-error; |
| background-color: $u-type-error; |
| } |
| |
| &--warning { |
| color: #ffffff; |
| border-color: $u-type-warning; |
| background-color: $u-type-warning; |
| } |
| |
| &--default--disabled { |
| color: #ffffff; |
| border-color: #e4e7ed; |
| background-color: #ffffff; |
| } |
| |
| &--primary--disabled { |
| color: #ffffff!important; |
| border-color: $u-type-primary-disabled!important; |
| background-color: $u-type-primary-disabled!important; |
| } |
| |
| &--success--disabled { |
| color: #ffffff!important; |
| border-color: $u-type-success-disabled!important; |
| background-color: $u-type-success-disabled!important; |
| } |
| |
| &--error--disabled { |
| color: #ffffff!important; |
| border-color: $u-type-error-disabled!important; |
| background-color: $u-type-error-disabled!important; |
| } |
| |
| &--warning--disabled { |
| color: #ffffff!important; |
| border-color: $u-type-warning-disabled!important; |
| background-color: $u-type-warning-disabled!important; |
| } |
| |
| &--primary--plain { |
| color: $u-type-primary!important; |
| border-color: $u-type-primary-disabled!important; |
| background-color: $u-type-primary-light!important; |
| } |
| |
| &--success--plain { |
| color: $u-type-success!important; |
| border-color: $u-type-success-disabled!important; |
| background-color: $u-type-success-light!important; |
| } |
| |
| &--error--plain { |
| color: $u-type-error!important; |
| border-color: $u-type-error-disabled!important; |
| background-color: $u-type-error-light!important; |
| } |
| |
| &--warning--plain { |
| color: $u-type-warning!important; |
| border-color: $u-type-warning-disabled!important; |
| background-color: $u-type-warning-light!important; |
| } |
| } |
| |
| .u-hairline-border:after { |
| content: ' '; |
| position: absolute; |
| pointer-events: none; |
| // 设置为border-box,意味着下面的scale缩小为0.5,实际上缩小的是伪元素的内容(border-box意味着内容不含border) |
| box-sizing: border-box; |
| // 中心点作为变形(scale())的原点 |
| -webkit-transform-origin: 0 0; |
| transform-origin: 0 0; |
| left: 0; |
| top: 0; |
| width: 199.8%; |
| height: 199.7%; |
| -webkit-transform: scale(0.5, 0.5); |
| transform: scale(0.5, 0.5); |
| border: 1px solid currentColor; |
| z-index: 1; |
| } |
| |
| .u-wave-ripple { |
| z-index: 0; |
| position: absolute; |
| border-radius: 100%; |
| background-clip: padding-box; |
| pointer-events: none; |
| user-select: none; |
| transform: scale(0); |
| opacity: 1; |
| transform-origin: center; |
| } |
| |
| .u-wave-ripple.u-wave-active { |
| opacity: 0; |
| transform: scale(2); |
| transition: opacity 1s linear, transform 0.4s linear; |
| } |
| |
| .u-round-circle { |
| border-radius: 100rpx; |
| } |
| |
| .u-round-circle::after { |
| border-radius: 100rpx; |
| } |
| |
| .u-loading::after { |
| background-color: hsla(0, 0%, 100%, 0.35); |
| } |
| |
| .u-size-default { |
| font-size: 30rpx; |
| height: 80rpx; |
| line-height: 80rpx; |
| } |
| |
| .u-size-medium { |
| /* #ifndef APP-NVUE */ |
| display: inline-flex; |
| /* #endif */ |
| width: auto; |
| font-size: 26rpx; |
| height: 70rpx; |
| line-height: 70rpx; |
| padding: 0 80rpx; |
| } |
| |
| .u-size-mini { |
| /* #ifndef APP-NVUE */ |
| display: inline-flex; |
| /* #endif */ |
| width: auto; |
| font-size: 22rpx; |
| padding-top: 1px; |
| height: 50rpx; |
| line-height: 50rpx; |
| padding: 0 20rpx; |
| } |
| |
| .u-primary-plain-hover { |
| color: #ffffff !important; |
| background: $u-type-primary-dark !important; |
| } |
| |
| .u-default-plain-hover { |
| color: $u-type-primary-dark !important; |
| background: $u-type-primary-light !important; |
| } |
| |
| .u-success-plain-hover { |
| color: #ffffff !important; |
| background: $u-type-success-dark !important; |
| } |
| |
| .u-warning-plain-hover { |
| color: #ffffff !important; |
| background: $u-type-warning-dark !important; |
| } |
| |
| .u-error-plain-hover { |
| color: #ffffff !important; |
| background: $u-type-error-dark !important; |
| } |
| |
| .u-info-plain-hover { |
| color: #ffffff !important; |
| background: $u-type-info-dark !important; |
| } |
| |
| .u-default-hover { |
| color: $u-type-primary-dark !important; |
| border-color: $u-type-primary-dark !important; |
| background-color: $u-type-primary-light !important; |
| } |
| |
| .u-primary-hover { |
| background: $u-type-primary-dark !important; |
| color: #fff; |
| } |
| |
| .u-success-hover { |
| background: $u-type-success-dark !important; |
| color: #fff; |
| } |
| |
| .u-info-hover { |
| background: $u-type-info-dark !important; |
| color: #fff; |
| } |
| |
| .u-warning-hover { |
| background: $u-type-warning-dark !important; |
| color: #fff; |
| } |
| |
| .u-error-hover { |
| background: $u-type-error-dark !important; |
| color: #fff; |
| } |
| </style> |